If you want to reach certain categories of apps with in-app display ads, or if you know the apps you want to target, you should:

If you want to reach certain categories of apps with in-app display ads, or if you know the apps you want to target, you should:

A) Go to “Campaign Exclusions” from the Display Network tab

B) Create a Display Network campaign targeted to mobile apps

C) Enable Active View reporting

D) Create a placement inclusion for mobile apps

Explanation: If you want to target particular categories, expand the app stores under “Mobile app categories” by clicking + , then choose the categories you want by clicking » next to each one. These categories match the category names in each store.